Mfg. - RADIO SHACK
Mfg. # - B-425
2" x 1-3/4" x 2-1/4"
Input:  120 VAC, 60 Hz, 5 W
Output:  15 VDC @ 200 mA
The enclsure and 6 ft. cord
are black.  Unit states battery
charge for use with Tandy
1400LT.  Output terminates
with two pin molex socket
which can be removed.

Mfg. - SPECTRADYNE
Mfg. # - 119-000-230
3-1/8" x 2-1/16" x 1-13/16"
Input:  120 VAC, 60 Hz,
             12 watt
Output:  15 VDC @ 500 mA
The enclosure and 6 ft. cord
are black.  Output via molex
plug.

Mfg. - APS
3-1/4"x 2-1/4" x 2-3/4"
Input: 115 VAC, 60 Hz
Output: 17 VDC @ 1.5 amp.  
The enclosure and the cords are
black. This filtered adapter has a 
6 ft. 18/3 input cord which is grounded
and a 6 ft. 18/2 SPT output cord.
Contains either one 10,000 mfd 
capacitor or two 4,700 mfd capacitors 
for filtering. Center is positive for
polarity. Coaxial plug:
OD - .215", ID  - .082".